:root {
  color-scheme: light;
  --bg: #fbf8ef;
  --surface: #fffdf7;
  --surface-strong: #edf5f1;
  --ink: #18201d;
  --muted: #66736d;
  --line: rgba(24, 32, 29, 0.13);
  --brand: #003030;
  --brand-deep: #001f1d;
  --brand-soft: #e1f2ef;
  --accent: #48a8a0;
  --accent-deep: #2d817b;
  --warm: #f07048;
  --honey: #e8a848;
  --danger: #b42335;
  --radius: 8px;
  --shadow: 0 22px 60px rgba(0, 48, 48, 0.13);
  --font-sans: Manrope, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: Fraunces, Georgia, serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(232, 168, 72, 0.16), rgba(72, 168, 160, 0.08) 24rem, transparent 42rem),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  letter-spacing: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.app-screen {
  min-height: 100vh;
}

.app-frame {
  width: min(74rem, 100%);
  min-width: 0;
  margin: 0 auto;
  padding: 1rem clamp(1rem, 3vw, 2rem) 3rem;
}

.top-bar {
  position: sticky;
  top: 0.75rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.75rem;
  margin: 0.4rem 0 0;
  padding: 0.55rem 0.72rem;
  border: 1px solid rgba(0, 48, 48, 0.12);
  border-radius: 20px;
  background: rgba(255, 253, 247, 0.9);
  box-shadow: 0 18px 42px rgba(0, 48, 48, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.8rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  text-align: left;
}

.brand-icon {
  width: 3.35rem;
  height: 3.25rem;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(0, 48, 48, 0.12));
}

.brand-text {
  display: grid;
  gap: 0.08rem;
  color: var(--brand);
  line-height: 1;
}

.brand-text span {
  font-family: var(--font-display);
  font-size: 0.93rem;
  font-weight: 700;
}

.brand-text strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 800;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 10px);
  background: rgba(255, 253, 247, 0.72);
}

.nav-item {
  min-height: 2.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0 0.72rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 760;
}

.nav-item.is-active {
  border-color: rgba(72, 168, 160, 0.34);
  background: var(--brand-soft);
  color: var(--brand);
  box-shadow: inset 0 0 0 1px rgba(255, 253, 247, 0.7);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-menu-button {
  width: 2.75rem;
  min-height: 2.75rem;
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--brand);
}

.hamburger-lines {
  width: 1.25rem;
  display: grid;
  gap: 0.24rem;
}

.hamburger-lines span {
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.mobile-menu-layer {
  display: none;
}

.mobile-close-icon {
  position: relative;
  width: 1.1rem;
  height: 1.1rem;
  display: block;
}

.mobile-close-icon::before,
.mobile-close-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.mobile-close-icon::before {
  transform: rotate(45deg);
}

.mobile-close-icon::after {
  transform: rotate(-45deg);
}

.icon-button,
.primary-button,
.ghost-button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius);
  font-weight: 800;
}

.icon-button {
  width: 2.75rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.primary-button {
  border: 1px solid var(--brand);
  background: var(--brand);
  color: #fff;
  padding: 0 1rem;
}

.ghost-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 0 1rem;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.42fr);
  gap: clamp(1rem, 4vw, 2.5rem);
  align-items: end;
  min-height: clamp(26rem, 56vh, 35rem);
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: var(--radius);
  background: var(--brand-deep);
  color: #fff;
  box-shadow: var(--shadow);
}

.hero-background,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-background {
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(0, 31, 29, 0.94), rgba(0, 48, 48, 0.74) 42%, rgba(0, 48, 48, 0.28) 72%, rgba(0, 31, 29, 0.62)),
    linear-gradient(0deg, rgba(0, 31, 29, 0.58), rgba(0, 31, 29, 0.08) 58%, rgba(0, 31, 29, 0.16));
}

.hero-copy {
  position: relative;
  display: grid;
  gap: 1.1rem;
  max-width: 43rem;
  align-self: center;
}

.hero .eyebrow {
  color: var(--honey);
}

.eyebrow {
  margin: 0;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.course-card h3,
.page-title {
  margin: 0;
}

.hero h1,
.section-heading h2,
.page-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 11ch;
  color: #fff;
  font-size: clamp(3.2rem, 7vw, 5.4rem);
  line-height: 0.93;
  text-wrap: balance;
}

.hero p {
  max-width: 42rem;
  margin: 0;
  color: rgba(255, 253, 247, 0.86);
  font-size: 1.12rem;
  line-height: 1.65;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-panel,
.status-card,
.course-card,
.auth-panel,
.empty-state {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  position: relative;
  display: grid;
  gap: 0.75rem;
  align-self: end;
  min-height: auto;
  padding: 1rem;
  border-color: rgba(255, 253, 247, 0.24);
  background: rgba(0, 31, 29, 0.72);
  color: #fff;
  box-shadow: none;
  backdrop-filter: blur(12px);
}

.hero-ghost-button {
  border-color: rgba(255, 253, 247, 0.46);
  background: rgba(255, 253, 247, 0.11);
  color: #fff;
}

.hero-panel p {
  margin: 0;
  color: rgba(255, 253, 247, 0.82);
  font-size: 0.96rem;
  line-height: 1.55;
}

.hero-panel strong {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.06;
}

.hero-course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.hero-course-meta span {
  padding: 0.3rem 0.54rem;
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.16);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 850;
}

.content {
  display: grid;
  gap: 2rem;
  margin-top: clamp(0.9rem, 2vw, 1.35rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
}

.about-screen {
  display: grid;
  gap: 1rem;
}

.about-intro {
  display: grid;
  gap: 0.75rem;
  max-width: 56rem;
}

.about-intro .page-title {
  max-width: 18ch;
  font-size: clamp(2.7rem, 6vw, 4.8rem);
  line-height: 0.96;
}

.about-intro p:not(.eyebrow) {
  max-width: 48rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.about-supporters {
  display: grid;
  gap: 1rem;
}

.about-supporter {
  display: grid;
  grid-template-columns: minmax(13rem, 0.28fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.about-logo-frame {
  min-height: 13rem;
  display: grid;
  place-items: center;
  padding: 1rem;
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(225, 242, 239, 0.9), rgba(255, 253, 247, 0.84)),
    var(--surface-strong);
}

.about-logo-frame img {
  max-width: min(15rem, 100%);
  max-height: 10rem;
  object-fit: contain;
}

.about-copy {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 0.35rem 0.25rem;
}

.about-copy h2,
.about-management h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  line-height: 1.04;
}

.about-copy p,
.about-management p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.about-link {
  width: fit-content;
  min-height: 2.55rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.25rem;
  padding: 0 0.85rem;
  border: 1px solid rgba(72, 168, 160, 0.35);
  border-radius: var(--radius);
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 850;
  text-decoration: none;
}

.about-management {
  display: grid;
  gap: 0.7rem;
  padding: 1.15rem;
  border: 1px solid rgba(232, 168, 72, 0.35);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(232, 168, 72, 0.18), rgba(72, 168, 160, 0.12)),
    var(--surface);
  box-shadow: var(--shadow);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.course-card {
  min-width: 0;
  overflow: hidden;
}

.course-cover {
  position: relative;
  min-height: 9.5rem;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand) 52%, var(--accent-deep) 74%, var(--warm));
  color: #fff;
}

.course-cover.has-image {
  align-items: stretch;
  padding: 0;
  background: var(--surface-strong);
}

.course-cover img {
  width: 100%;
  min-height: 9.5rem;
  object-fit: cover;
}

.course-cover .icon {
  width: 2.4rem;
  height: 2.4rem;
}

.course-featured {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.92);
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 900;
}

.course-body {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
}

.course-meta,
.muted {
  color: var(--muted);
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 0.88rem;
}

.course-meta span {
  padding: 0.28rem 0.52rem;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-weight: 800;
}

.course-progress {
  display: grid;
  gap: 0.35rem;
}

.course-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.course-progress-head strong {
  color: var(--brand);
}

.progress-bar {
  height: 0.55rem;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-strong);
}

.progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.course-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.course-actions .primary-button,
.course-actions .ghost-button {
  flex: 1 1 9rem;
}

.course-state {
  display: grid;
  gap: 0.6rem;
  justify-items: start;
}

.course-state .icon {
  width: 2rem;
  height: 2rem;
  color: var(--brand);
}

.course-state p {
  margin: 0;
  color: var(--muted);
}

.dashboard-screen {
  display: grid;
  gap: 1.25rem;
}

.dashboard-empty,
.dashboard-discovery-empty {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem;
  border: 1px solid rgba(72, 168, 160, 0.28);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(225, 242, 239, 0.9), rgba(255, 253, 247, 0.88)),
    var(--surface);
  box-shadow: var(--shadow);
}

.dashboard-empty h3,
.dashboard-discovery h3,
.dashboard-discovery-empty h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  line-height: 1.06;
}

.dashboard-empty p,
.dashboard-discovery-empty p {
  max-width: 46rem;
  margin: 0.45rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.dashboard-discovery {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.25rem;
}

.course-detail-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.42fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.course-detail-layout .course-cover {
  min-height: 16rem;
  border-radius: var(--radius);
  overflow: hidden;
}

.course-detail-layout .status-card {
  width: auto;
  display: grid;
  align-content: start;
  gap: 1rem;
}

.course-detail-public {
  display: grid;
  gap: 1.25rem;
}

.course-detail-hero {
  display: grid;
  grid-template-columns: minmax(16rem, 0.42fr) minmax(0, 1fr);
  gap: 1.1rem;
  align-items: stretch;
}

.course-detail-cover {
  min-height: 24rem;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand-deep), var(--brand) 54%, var(--accent-deep));
  box-shadow: var(--shadow);
}

.course-detail-cover img {
  width: 100%;
  height: 100%;
  min-height: 24rem;
  display: block;
  object-fit: cover;
}

.course-detail-cover-fallback {
  height: 100%;
  min-height: 24rem;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  color: #fff;
  text-align: center;
}

.course-detail-cover-fallback .icon {
  width: 3.2rem;
  height: 3.2rem;
}

.course-detail-cover-fallback span {
  max-width: 12rem;
  font-weight: 900;
}

.course-detail-copy {
  display: grid;
  align-content: center;
  gap: 0.9rem;
  min-width: 0;
  padding: clamp(1.1rem, 3vw, 1.65rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.course-detail-copy .page-title {
  max-width: 16ch;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.98;
}

.course-detail-summary {
  max-width: 54rem;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  font-weight: 750;
  line-height: 1.55;
}

.course-detail-description {
  max-width: 58rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.course-detail-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.course-detail-highlights span {
  min-width: 0;
  display: grid;
  gap: 0.25rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.course-detail-highlights strong {
  color: var(--brand);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.course-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.course-detail-content {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.25rem;
}

.course-detail-content .section-heading h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.65rem);
  line-height: 1.05;
}

.course-timeline-count {
  align-self: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 900;
}

.public-course-timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.public-course-timeline::before {
  content: "";
  position: absolute;
  top: 0.25rem;
  bottom: 0.25rem;
  left: 1rem;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(232, 168, 72, 0.75));
}

.public-course-module {
  position: relative;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.85rem;
}

.public-module-marker {
  z-index: 1;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--surface);
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.public-module-content {
  min-width: 0;
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.public-module-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.public-module-head h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.08;
}

.public-module-head > span {
  flex: 0 0 auto;
  padding: 0.28rem 0.52rem;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.public-lesson-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.public-lesson-item {
  min-width: 0;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: 0.65rem;
  padding: 0.72rem 0;
  border-top: 1px solid var(--line);
}

.public-lesson-icon {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--brand-soft);
  color: var(--brand);
}

.public-lesson-title {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 0.75rem;
  min-width: 0;
}

.public-lesson-title strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.public-lesson-title span {
  flex: 0 0 auto;
  padding: 0.22rem 0.48rem;
  border-radius: 999px;
  background: rgba(232, 168, 72, 0.18);
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 900;
}

.public-lesson-item p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.public-lesson-item small {
  display: inline-flex;
  margin-top: 0.35rem;
  color: var(--muted);
  font-weight: 850;
}

.public-module-empty {
  padding: 0.75rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 750;
}

.learning-screen {
  display: grid;
  gap: 1rem;
}

.learning-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.32fr);
  gap: 1rem;
  align-items: end;
}

.learning-progress-card,
.learning-timeline,
.learning-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.learning-progress-card {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
}

.learning-progress-card span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.learning-layout {
  display: grid;
  grid-template-columns: minmax(17rem, 0.34fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.learning-timeline {
  position: sticky;
  top: 6rem;
  display: grid;
  gap: 0.85rem;
  max-height: calc(100vh - 7rem);
  overflow: auto;
  padding: 1rem;
}

.learning-module {
  display: grid;
  gap: 0.65rem;
}

.learning-module-head {
  display: grid;
  gap: 0.2rem;
}

.learning-module h3,
.learning-panel h3,
.learning-comments h4 {
  margin: 0;
}

.learning-lesson-list {
  display: grid;
  gap: 0.45rem;
}

.learning-lesson-button {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: center;
  padding: 0.72rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-align: left;
}

.learning-lesson-button > span:first-child {
  width: 2rem;
  height: 2rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
}

.learning-lesson-button strong,
.learning-lesson-button small {
  display: block;
  overflow-wrap: anywhere;
}

.learning-lesson-button small {
  margin-top: 0.15rem;
  color: var(--muted);
  font-weight: 760;
}

.learning-lesson-button.is-current {
  border-color: rgba(72, 168, 160, 0.48);
  background: var(--brand-soft);
}

.learning-lesson-button.is-completed > span:first-child {
  background: var(--accent);
  color: #fff;
}

.learning-panel {
  display: grid;
  gap: 1rem;
  min-width: 0;
  padding: 1rem;
}

.learning-panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.learning-saving {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.learning-video {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--brand-deep);
}

.learning-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.learning-content,
.learning-content-empty,
.learning-file {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.learning-content {
  color: var(--ink);
  line-height: 1.75;
}

.learning-content > :first-child {
  margin-top: 0;
}

.learning-content > :last-child {
  margin-bottom: 0;
}

.learning-content-empty {
  color: var(--muted);
}

.learning-file {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.85rem;
  align-items: center;
}

.learning-file .icon {
  width: 2rem;
  height: 2rem;
  color: var(--brand);
}

.learning-actions {
  display: flex;
  justify-content: flex-end;
}

.learning-quiz {
  display: grid;
  gap: 1rem;
}

.learning-quiz fieldset {
  display: grid;
  gap: 0.55rem;
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.learning-quiz legend {
  padding: 0 0.35rem;
  font-weight: 900;
}

.learning-quiz-option {
  display: flex;
  gap: 0.55rem;
  align-items: start;
  padding: 0.6rem;
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.learning-essay {
  gap: 0.75rem;
}

.learning-essay textarea {
  min-height: 11rem;
  line-height: 1.55;
}

.essay-hint,
.admin-form-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 760;
}

.learning-matching {
  gap: 0.85rem;
}

.matching-board {
  display: grid;
  gap: 0.8rem;
  align-items: start;
}

.matching-board.is-drag-drop {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.matching-board.is-connect {
  grid-template-columns: minmax(0, 0.9fr) minmax(12rem, 0.8fr) minmax(0, 0.9fr);
}

.matching-column,
.matching-connections {
  display: grid;
  gap: 0.55rem;
  min-width: 0;
}

.matching-column > strong,
.matching-connections > strong {
  color: var(--brand);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.matching-target,
.matching-option,
.matching-connection {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.matching-target {
  display: grid;
  gap: 0.45rem;
  padding: 0.55rem;
}

.matching-target.is-filled,
.matching-option.is-selected {
  border-color: rgba(72, 168, 160, 0.5);
  background: var(--brand-soft);
}

.matching-target-main,
.matching-option {
  width: 100%;
  min-height: 2.75rem;
  display: grid;
  gap: 0.25rem;
  align-content: center;
  padding: 0.65rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font-weight: 800;
}

.matching-target-main span {
  color: var(--brand);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.matching-target-main strong {
  overflow-wrap: anywhere;
}

.matching-option {
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.matching-option.is-used {
  color: var(--muted);
  opacity: 0.72;
}

.matching-clear,
.matching-connection button {
  width: fit-content;
  min-height: 2rem;
  padding: 0 0.55rem;
  border: 1px solid rgba(180, 35, 53, 0.25);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--danger);
  font-size: 0.78rem;
  font-weight: 850;
}

.matching-connection {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
  gap: 0.45rem;
  align-items: center;
  padding: 0.55rem;
  font-size: 0.85rem;
}

.matching-connection span,
.matching-connection strong {
  overflow-wrap: anywhere;
}

.learning-comments {
  display: grid;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.learning-comments-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.learning-comments-head span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.learning-comment-list {
  display: grid;
  gap: 0.65rem;
}

.learning-comment {
  display: grid;
  gap: 0.35rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.learning-comment div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.learning-comment span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.learning-comment p {
  margin: 0;
  overflow-wrap: anywhere;
}

.learning-comment-form {
  display: grid;
  gap: 0.65rem;
}

.learning-comment-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 800;
}

.learning-comment-form textarea {
  min-height: 6rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  resize: vertical;
}

.certificates-screen {
  display: grid;
  gap: 1rem;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.certificate-card,
.certificate-preview {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.certificate-card {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
}

.certificate-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.certificate-card h3,
.certificate-preview h3 {
  margin: 0;
}

.certificate-code {
  width: fit-content;
  margin: 0;
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 900;
}

.certificate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.certificate-actions .primary-button,
.certificate-actions .ghost-button {
  flex: 1 1 9rem;
}

.certificate-preview {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  text-align: center;
  background:
    linear-gradient(180deg, rgba(225, 242, 239, 0.78), rgba(255, 253, 247, 0.96)),
    var(--surface);
}

.certificate-preview-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--brand);
  font-family: var(--font-display);
  font-weight: 800;
}

.certificate-preview h3 {
  color: var(--brand);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1;
}

.certificate-preview p {
  margin: 0;
  color: var(--muted);
}

.certificate-preview > strong {
  font-size: 1.25rem;
}

.certificate-preview-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.certificate-preview-meta span {
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.78);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.admin-users-screen {
  display: grid;
  gap: 1rem;
}

.admin-user-totals {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.admin-total-card {
  min-height: 5.2rem;
  display: grid;
  align-content: center;
  gap: 0.15rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  box-shadow: 0 10px 24px rgba(0, 48, 48, 0.06);
}

.admin-total-card span {
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 900;
  text-transform: uppercase;
}

.admin-total-card strong {
  color: var(--brand);
  font-size: 1.75rem;
  line-height: 1;
}

.admin-total-card.is-active {
  border-color: rgba(72, 168, 160, 0.44);
  background: var(--brand-soft);
  box-shadow: inset 0 0 0 1px rgba(72, 168, 160, 0.14), 0 10px 24px rgba(0, 48, 48, 0.06);
}

.admin-courses-screen {
  display: grid;
  gap: 1rem;
}

.admin-filter-form {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) minmax(12rem, 0.35fr) auto;
  gap: 0.75rem;
  align-items: end;
}

.admin-user-filter-form {
  grid-template-columns: minmax(16rem, 1fr) minmax(9rem, 0.25fr) auto;
}

.admin-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.admin-summary div {
  display: grid;
  gap: 0.1rem;
}

.admin-summary span,
.admin-user-details dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.admin-summary strong {
  color: var(--brand);
  font-size: 1.75rem;
  line-height: 1;
}

.admin-status,
.admin-empty,
.admin-users-screen .form-message {
  width: 100%;
}

.admin-users-screen .form-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.admin-status {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.admin-user-list {
  display: grid;
  gap: 0.85rem;
}

.admin-course-list,
.admin-module-list {
  display: grid;
  gap: 0.85rem;
}

.admin-user-card {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(0, 48, 48, 0.08);
}

.admin-course-card,
.admin-form-panel,
.admin-detail-panel,
.admin-module-block {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(0, 48, 48, 0.08);
}

.admin-course-card.is-selected {
  border-color: rgba(72, 168, 160, 0.45);
  box-shadow: inset 0 0 0 1px rgba(72, 168, 160, 0.18), 0 14px 34px rgba(0, 48, 48, 0.08);
}

.admin-course-head,
.admin-user-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.admin-course-head h3,
.admin-user-head h3 {
  margin: 0.15rem 0 0;
  font-size: 1.12rem;
  line-height: 1.25;
}

.admin-course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 760;
}

.admin-course-meta span {
  padding: 0.28rem 0.48rem;
  border-radius: 999px;
  background: var(--surface-strong);
}

.status-badge {
  flex: 0 0 auto;
  padding: 0.32rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 900;
}

.status-badge.is-pending {
  border-color: rgba(232, 168, 72, 0.48);
  background: rgba(232, 168, 72, 0.16);
  color: #765112;
}

.status-badge.is-approved {
  border-color: rgba(72, 168, 160, 0.42);
  background: var(--brand-soft);
  color: var(--brand);
}

.status-badge.is-danger {
  border-color: rgba(180, 35, 53, 0.32);
  background: rgba(180, 35, 53, 0.08);
  color: var(--danger);
}

.admin-form-heading,
.admin-module-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.admin-form-heading h3,
.admin-form-heading h4,
.admin-module-head h4 {
  margin: 0.15rem 0 0;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.admin-form-grid .is-wide {
  grid-column: 1 / -1;
}

.admin-check-row {
  min-height: 2.85rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
}

.admin-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
}

.admin-inline-form {
  display: grid;
  gap: 0.85rem;
  padding: 0.9rem;
  border: 1px dashed rgba(72, 168, 160, 0.45);
  border-radius: var(--radius);
  background: rgba(225, 242, 239, 0.38);
}

.admin-matching-builder {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 247, 0.75);
}

.admin-matching-head,
.admin-matching-pair {
  display: grid;
  gap: 0.75rem;
}

.admin-matching-head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
}

.admin-matching-head strong {
  color: var(--brand);
}

.admin-matching-head p {
  margin: 0.2rem 0 0;
}

.admin-matching-pairs {
  display: grid;
  gap: 0.65rem;
}

.admin-matching-pair {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: end;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.admin-lesson-list {
  display: grid;
  gap: 0.6rem;
}

.admin-lesson-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.admin-lesson-row p {
  margin: 0.25rem 0 0;
}

.admin-lesson-empty {
  padding: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 760;
}

.admin-user-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  margin: 0;
}

.admin-user-details div {
  min-width: 0;
}

.admin-user-details dd {
  margin: 0.18rem 0 0;
  color: var(--ink);
  font-weight: 760;
  overflow-wrap: anywhere;
}

.admin-user-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 247, 0.74);
}

.admin-pagination p {
  margin: 0;
}

.admin-pagination div {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.admin-pagination span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 850;
}

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(0, 31, 29, 0.44);
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(46rem, calc(100vw - 2rem));
  max-height: min(42rem, calc(100dvh - 2rem));
  overflow-y: auto;
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid rgba(0, 48, 48, 0.14);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 28px 86px rgba(0, 31, 29, 0.28);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
}

.modal-head h3 {
  margin: 0.15rem 0 0;
  font-size: 1.2rem;
}

.admin-user-modal {
  width: min(54rem, calc(100vw - 2rem));
}

.admin-user-history-list {
  display: grid;
  gap: 0.85rem;
}

.admin-user-history-item {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 247, 0.82);
}

.admin-user-history-cover {
  min-height: 7rem;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--brand);
}

.admin-user-history-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.admin-user-history-body {
  min-width: 0;
  display: grid;
  gap: 0.75rem;
}

.admin-user-history-body h4 {
  margin: 0.15rem 0 0;
  font-size: 1rem;
}

.danger-button {
  border-color: rgba(180, 35, 53, 0.32);
  color: var(--danger);
}

.auth-layout,
.status-layout {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.auth-panel,
.status-card,
.empty-state {
  width: min(28rem, 100%);
  padding: 1.25rem;
}

.auth-panel {
  width: min(30rem, 100%);
}

.auth-brand {
  display: flex;
  justify-content: flex-start;
  width: fit-content;
  min-height: 0;
  margin: -0.6rem 0 0.2rem;
}

.auth-logo,
.status-logo {
  display: block;
  width: 10rem;
  height: auto;
  object-fit: contain;
}

.status-logo {
  margin: -0.8rem 0 0.3rem;
}

.auth-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.auth-text-button {
  min-height: 2.4rem;
  justify-self: center;
  padding: 0 0.35rem;
  border: 0;
  background: transparent;
  color: var(--brand);
  font-size: 0.9rem;
  font-weight: 820;
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.field-stack {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.required-mark {
  color: var(--danger);
  font-weight: 900;
}

.input-frame {
  min-height: 2.85rem;
  display: grid;
  grid-template-columns: 1.1rem minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
}

.input-frame input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.input-frame select,
.input-frame textarea {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.textarea-frame {
  min-height: 6.5rem;
  align-items: start;
  padding-block: 0.75rem;
}

.textarea-frame textarea {
  min-height: 5rem;
  resize: vertical;
}

.form-message {
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.45;
}

.form-message.is-success {
  border-color: rgba(72, 168, 160, 0.38);
  background: var(--brand-soft);
  color: var(--brand);
}

.form-message.is-error {
  border-color: rgba(180, 35, 53, 0.32);
  background: rgba(180, 35, 53, 0.08);
  color: var(--danger);
}

.toast {
  position: fixed;
  top: 1rem;
  left: 50%;
  z-index: 20;
  transform: translateX(-50%);
  max-width: min(30rem, calc(100vw - 2rem));
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.icon {
  width: 1.1rem;
  height: 1.1rem;
  display: inline-flex;
  flex: 0 0 auto;
}

.icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 860px) {
  .top-bar {
    align-items: center;
    flex-direction: row;
    top: 0.5rem;
    min-height: 4.2rem;
    padding: 0.5rem;
  }

  .content {
    margin-top: 0.9rem;
  }

  .nav-list {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .mobile-menu-button {
    display: inline-flex;
    flex: 0 0 auto;
    margin-left: auto;
  }

  .mobile-menu-layer {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: block;
  }

  .mobile-menu-backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(0, 31, 29, 0.38);
  }

  .mobile-menu-panel {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    width: min(22rem, calc(100vw - 1.7rem));
    max-height: calc(100dvh - 1.7rem);
    overflow-y: auto;
    display: grid;
    gap: 0.85rem;
    padding: 0.9rem;
    border: 1px solid rgba(0, 48, 48, 0.12);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 24px 70px rgba(0, 31, 29, 0.24);
  }

  .mobile-menu-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }

  .mobile-menu-head strong {
    color: var(--ink);
  }

  .mobile-nav-list {
    display: grid;
    gap: 0.45rem;
  }

  .mobile-nav-item {
    width: 100%;
    min-height: 3rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0 0.75rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    font-weight: 850;
    text-align: left;
  }

  .mobile-nav-item.is-active {
    border-color: rgba(72, 168, 160, 0.42);
    background: var(--brand-soft);
    color: var(--brand);
  }

  .mobile-menu-session {
    display: grid;
    gap: 0.65rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--line);
  }

  .mobile-menu-session .primary-button,
  .mobile-menu-session .ghost-button {
    width: 100%;
  }

  .mobile-user-summary {
    display: grid;
    gap: 0.15rem;
  }

  .mobile-user-summary span {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 850;
    text-transform: uppercase;
  }

  .mobile-user-summary strong {
    overflow-wrap: anywhere;
    color: var(--ink);
  }

  .hero,
  .about-supporter,
  .course-grid,
  .certificate-grid,
  .course-detail-hero,
  .course-detail-layout,
  .learning-header,
  .learning-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 1.35rem;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(0, 31, 29, 0.94), rgba(0, 48, 48, 0.78) 52%, rgba(0, 31, 29, 0.66)),
      linear-gradient(0deg, rgba(0, 31, 29, 0.44), rgba(0, 31, 29, 0.08));
  }

  .hero-panel {
    align-self: stretch;
  }

  .learning-timeline {
    position: static;
    max-height: none;
  }

  .admin-user-totals {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-user-details {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-filter-form,
  .admin-form-grid,
  .admin-matching-head,
  .admin-matching-pair,
  .matching-board.is-drag-drop,
  .matching-board.is-connect,
  .admin-lesson-row {
    grid-template-columns: 1fr;
  }

  .matching-connection {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
    font-size: 3.6rem;
  }

  .about-logo-frame {
    min-height: 9rem;
  }

  .course-detail-cover,
  .course-detail-cover img,
  .course-detail-cover-fallback {
    min-height: 16rem;
  }

  .course-detail-highlights {
    grid-template-columns: 1fr;
  }

  .admin-pagination,
  .admin-users-screen .form-message {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-pagination div {
    justify-content: space-between;
  }

  .admin-user-history-item {
    grid-template-columns: 1fr;
  }

  .admin-user-history-cover {
    min-height: 9rem;
  }
}

@media (max-width: 520px) {
  .app-frame {
    padding-inline: 0.85rem;
  }

  .brand-text {
    display: none;
  }

  .nav-item {
    justify-content: center;
    min-width: 0;
    padding-inline: 0.58rem;
    font-size: 0.84rem;
  }

  .nav-item .icon {
    display: none;
  }

  .hero h1 {
    font-size: 2.18rem;
    line-height: 0.96;
  }

  .hero {
    gap: 0.85rem;
    padding: 0.9rem;
  }

  .hero p {
    font-size: 0.95rem;
    line-height: 1.52;
  }

  .hero-copy > p:not(.eyebrow) {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
  }

  .hero-actions .primary-button {
    grid-column: 1 / -1;
  }

  .hero-actions .primary-button,
  .hero-actions .ghost-button {
    min-height: 2.55rem;
    padding-inline: 0.75rem;
  }

  .hero-panel {
    gap: 0.55rem;
    padding: 0.8rem;
  }

  .hero-panel strong {
    font-size: 1.15rem;
  }

  .hero-panel p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .hero-course-meta span {
    padding: 0.25rem 0.45rem;
    font-size: 0.75rem;
  }

  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-user-totals {
    grid-template-columns: 1fr;
  }

  .admin-total-card {
    min-height: 4.4rem;
  }

  .modal-layer {
    align-items: stretch;
    padding: 0.65rem;
  }

  .modal-panel,
  .admin-user-modal {
    width: 100%;
    max-height: calc(100dvh - 1.3rem);
  }

  .course-detail-copy {
    padding: 0.95rem;
  }

  .course-detail-copy .page-title {
    max-width: none;
    font-size: 2.15rem;
  }

  .course-detail-summary {
    font-size: 1rem;
  }

  .course-detail-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .public-course-timeline::before {
    left: 0.85rem;
  }

  .public-course-module {
    grid-template-columns: 1.7rem minmax(0, 1fr);
    gap: 0.65rem;
  }

  .public-module-marker {
    width: 1.7rem;
    height: 1.7rem;
    font-size: 0.82rem;
  }

  .public-module-content {
    padding: 0.85rem;
  }

  .public-module-head,
  .public-lesson-title {
    align-items: stretch;
    flex-direction: column;
    gap: 0.45rem;
  }

  .public-module-head > span,
  .public-lesson-title span {
    width: fit-content;
  }

  .public-lesson-item {
    grid-template-columns: 1.9rem minmax(0, 1fr);
    gap: 0.55rem;
  }

  .public-lesson-icon {
    width: 1.9rem;
    height: 1.9rem;
  }

  .about-intro .page-title {
    max-width: none;
    font-size: 2.25rem;
  }

  .about-intro p:not(.eyebrow),
  .about-copy p,
  .about-management p {
    font-size: 0.96rem;
    line-height: 1.62;
  }

  .about-supporter,
  .about-management {
    padding: 0.85rem;
  }

  .about-logo-frame {
    min-height: 7.5rem;
  }

  .about-logo-frame img {
    max-height: 6.5rem;
  }

  .about-link {
    width: 100%;
    justify-content: center;
  }

  .admin-summary,
  .admin-course-head,
  .certificate-card-head,
  .admin-form-heading,
  .admin-module-head,
  .admin-user-head,
  .learning-panel-head,
  .learning-comments-head,
  .learning-comment div {
    align-items: stretch;
    flex-direction: column;
  }

  .learning-file {
    grid-template-columns: 1fr;
  }

  .learning-actions .primary-button,
  .learning-file .ghost-button,
  .learning-comment-form .ghost-button,
  .certificate-actions .primary-button,
  .certificate-actions .ghost-button {
    width: 100%;
  }

  .admin-user-details {
    grid-template-columns: 1fr;
  }

  .admin-user-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .dashboard-empty,
  .dashboard-discovery-empty {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .primary-button,
  .hero-actions .ghost-button,
  .dashboard-empty .primary-button,
  .dashboard-discovery-empty .ghost-button,
  .section-actions .primary-button,
  .section-actions .ghost-button,
  .course-actions .primary-button,
  .course-actions .ghost-button,
  .admin-user-actions .primary-button,
  .admin-user-actions .ghost-button,
  .admin-form-actions .primary-button,
  .admin-form-actions .ghost-button,
  .admin-filter-form .ghost-button {
    width: 100%;
  }
}

@media print {
  body {
    background: #fff;
  }

  .top-bar,
  .section-heading,
  .certificate-grid,
  .toast {
    display: none !important;
  }

  .app-frame {
    width: 100%;
    padding: 0;
  }

  .certificate-preview {
    min-height: 100vh;
    border: 0;
    box-shadow: none;
  }
}